Planck's constant was first introduced in order to obtain a correct theoretical prediction of:

Q-1: Planck's constant was first introduced in order to obtain a correct theoretical prediction of:

1) the distribution of frequencies occurring in black body radiation.
2) the energy produced by the transformation of mass into energy.
3) the speed of light.
4) lifetime of the neutron.
ANSWER: 1 -- THE DISTRIBUTION OF FREQUENCIES OCCURRING IN BLACK BODY RADIATION

Q-2: The theory which ascribes wave-like properties to particles is called:

1) general relativity
2) quantum mechanics
3) special relativity
4) classical mechanics
ANSWER: 2-- QUANTUM MECHANICS

Q-3: The magnitude of the quarks' electric charge is:

1) zero.
2) greater than the electron's charge.
3) equal to the electron's charge.
4) less than the electron's charge.
ANSWER: 4 -- LESS THAN THE ELECTRON'S CHARGE.

Q-5:What important property of light is demonstrated by the photoelectric effect?

ANSWER: PARTICLE NATURE OF LIGHT

Q-6:The magnetic pressure of a 0.5 Tesla field is about one atmosphere. What is the pressure of a 4 Tesla field?

ANSWER: 64 ATMOSPHERES (PROPORTIONAL TO B2)

Q-7:Weather satellites transmit cloud cover and temperature-humidity profiles back to Earth using images of which combination of the electromagnetic radiation types?

1) infra-red and visible light
2) ultraviolet and nuclear magnetic
3) ultraviolet and infra-red
4) ultraviolet and visible light
ANSWER: 1 -- INFRA-RED AND VISIBLE LIGHT

Q-8:In a nuclear power reactor, fission produces heat which is used to produce electricity. A reactor producing more fissionable material than it consumes is known as what kind of reactor?

ANSWER: BREEDER REACTOR

Q-9:Processes which occur without the addition or withdrawal of heat from the surrounding are called what?

ANSWER: ADIABATIC

Q-10:The velocity of a ball tossed vertically into the air is expressed by the equation v(t) = -32t + 4, where t is given in seconds. Give the velocity of the ball when it reaches its highest point.

ANSWER: 0

Q-11:An object is located 1 meter in front of a converging lens having a focal length of 20 centimeters. At what distance behind the lens (whose thickness is negligible) will the image be formed?

1) 18 centimeters
2) 20 centimeters
3) 22 centimeters
4) 25 centimeters
ANSWER: 4 -- 25 CENTIMETERS